Monitor calibration device



FIG. 1 is a top isometric view of a monitor calibration device.

FIG. 2 is a bottom isometric view of the monitor calibration device.

FIG. 3 is a front view of the monitor calibration device.

FIG. 4 is a left side view of the monitor calibration device.

FIG. 5 is a back view of the monitor calibration device.

FIG. 6 is a top view of the monitor calibration device; and,

FIG. 7 is a bottom view of the monitor calibration device. 

The ornamental design for a monitor calibration device, as shown. 